Greenhouse



FIG. 1 is a view in elevation of the end of a greenhouse embodying mynew design;

FIG. 2 is a view in elevation of the end of a first modification of mygreenhouse design;

FIG. 3 is a view in front elevation of the embodiment of the inventionshown in FIG. 1;

FIG. 4 is a view in elevation of the back of my greenhouse;

FIG. 5 is a plan view of the greenhouse shown in FIG. 1 showing thefront of the building on the left and the back on the right;

FIG. 6 is a view in perspective of the greenhouse shown in FIG. 1.

The ornamental design for a greenhouse, as shown and described.